fix link redirects

Author: ocefpaf

docs/install.rst

@@ -13,7 +13,7 @@ Option libraries:
 -  Pandas https://pandas.pydata.org/ (to feed plot functions easily)
 -  SciPy https://scipy.org/ (to fit data with Weibull distribution)
 -  ffmpeg https://www.ffmpeg.org/ (to output video)
--  click https://click.palletsprojects.com/ (for command line interface tools)
+-  click https://click.palletsprojects.com/en/stable/ (for command line interface tools)
 -  seaborn https://seaborn.pydata.org/ (for easy subplots)
 
 Install latest release version via pip

notebooks/usage.ipynb

@@ -9,7 +9,7 @@
     "This example use randoms values for wind speed and direction(ws and wdnotebooks/windrose_sample_poitiers_csv.ipynb\n",
     "variables). In situation, these variables are loaded with reals values\n",
     "(1-D array), from a database or directly from a text file.\n",
-    "See [this notebook](https://github.com/python-windrose/windrose/blob/master/notebooks/windrose_sample_poitiers_csv.ipynb) for an example of real data."
+    "See [this notebook](https://github.com/python-windrose/windrose/blob/main/notebooks/windrose_sample_poitiers_csv.ipynb) for an example of real data."
    ]
   },
   {
@@ -452,7 +452,7 @@
    "source": [
     "Instead of using object oriented approach like previously shown, some\n",
     "\"shortcut\" functions have been defined: `wrbox`, `wrbar`,\n",
-    "`wrcontour`, `wrcontourf`, `wrpdf`. See [unit tests](https://github.com/python-windrose/windrose/blob/master/tests/test_windrose.py)."
+    "`wrcontour`, `wrcontourf`, `wrpdf`. See [unit tests](https://github.com/python-windrose/windrose/blob/main/tests/test_windrose.py)."
    ]
   },
   {
@@ -520,7 +520,7 @@
     "\n",
     "[![Video3](http://img.youtube.com/vi/UiGC-3aw9TM/0.jpg)](https://www.youtube.com/watch?v=UiGC-3aw9TM)\n",
     "\n",
-    "[Source code](https://github.com/python-windrose/windrose/blob/master/samples/example_animate.py).\n",
+    "[Source code](https://github.com/python-windrose/windrose/blob/main/samples/example_animate.py).\n",
     "\n",
     "This is just a sample for now. API for video need to be created.\n",
     "\n",